This device is ideal for measurement, monitoring and control of network electric parameters. Furthermore current, phase and line voltage frequency, power factor, real, apparent, reactive power and energy is measurable with the device; also able to meter both current and voltage harmonics of network. The four LED displays showing the needed values from 75 measurable parameters. The device meters the real effective values (TRMS), has two potential free, independent programmable relay outputs, which change state by alarm according to user adjusted limits. A LED indicator marks the selec­ted . The connection for power supply and metering is available trough pluggable terminations on the back side of device. The current transformer (CT) ratio, the programming and the displayable value are all selectable with front panel pushbuttons. The operation of device is full automatic; its application is advantageous in all places, where the quality checking of energy-supply is important next to metering the electric values.

 

Remark	Measured value	Alarm	All	L1	L2	L3
VLN	Phase voltage (V)	OK	OK(*)	OK	OK	OK
VLL	Line voltage (V)	OK	OK(*)	OK	OK	OK
I	Phase current (A)	OK	OK	OK	OK	OK
FRQ	Frequency (Hz)	-	-	OK	-	-
PF	Power factor (cos ϕ)	-	OK(*)	OK	OK	OK
kW	Real power (kW)	OK	OK	OK	OK	OK
kVAr	Reactive power (kVAr)	OK	OK	OK	OK	OK
kVA	Apparent power (kVA)	OK	OK	OK	OK	OK
kWh	Real energy (kWh)	-	OK	-	-	-
kVArh.IND	Inductive reactive energy (kVArh)	-	OK	-	-	-
kVArh.CAP	Capacitive reactive energy (kVArh)	-	OK	-	-	-
kVAh	Apparent energy (kVAh)	-	OK	-	-	-
Vthd	Total harmonics distortion of voltage (%)	-	-	OK	OK	OK
V3...V13	Voltage harmonics (THD; odd harmonics up to 13th)	-	-	OK	OK	OK
Ithd	Total harmonics distortion of current (%)	-	-	OK	OK	OK
I3...I13	Current harmonics (THD; odd harmonics up to 13th)	-	-	OK	OK	OK

* Device signs the mean value of metered values in three phases.